National Security Journal on MSN

The X-15 Hit Mach 6.7 and Put Every Military on Earth On Notice

In 1967, USAF Major “Pete” Knight set a world speed record that remains “unbroken” 68 years later. -Flying the X-15A-2 rocket ...
Hosted on MSN

Today in Aviation History: First Powered Flight of the North American X-15

On this day in aviation history, 66 years ago (September 17, 1959), the North American X-15 made its first powered flight. At the controls was legendary test pilot Scott Crossfield, renowned for his ...
The National Interest

The X-15 was a Starfighter in All But Name

The X-15 was a key bridge between conventional atmospheric flight and spaceflight. The North American X-15 is one of the most groundbreaking aircraft ever created in the history of aviation and space ...
insider.si.edu

X-15 : the NASA mission reports, incorporating files from the USAF / compiled from the archives & edited by Robert Godwin

CD-ROM contains movies and images of the X-15 program. 408 p., [8] p. of col. plates : ill. (some col.), ports. 26 cm. + 1 computer optical disc (4 3/4 in.) https ...
Ars Technica

Rocket Report: NASA finally working on depots, Air Force tests new ICBM

Welcome to Edition 8.05 of the Rocket Report! One of the most eye-raising things I saw this week was an online update from NASA’s Marshall Space Flight Center touting its work on cryogenic propellant ...